State Gasoline Taxes A random sample of state gasoline taxes (in cents) is shown here for 9 states. 36.9 65.4 66.8 42.1 45.9 38.6 35.6 32.1 42.8 Use the data to estimate the true population mean...

State Gasoline Taxes A random sample of state gasoline taxes (in cents) is shown here for 9 states.

Use the data to estimate the true population mean gasoline tax with 85% confidence. Assume the variable is normally distributed. Round the answers to at least two decimal places.